/*
 * Copyright 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.paging.internal

import kotlinx.atomicfu.locks.reentrantLock

// erased in js so its no-op, but we still need it for wasmJs
internal actual class SynchronizedLock {
    val delegate = reentrantLock()

    actual inline fun <T> withLockImpl(block: () -> T): T {
        try {
            lock()
            return block()
        } finally {
            unlock()
        }
    }

    fun lock() {
        delegate.lock()
    }

    fun unlock() {
        delegate.unlock()
    }
}
